Picture mat with notch for artist&#39;s signature



FIG. 1 is a perspective view of a picture mat with notch for artist's signature showing my new design;

FIG. 2 is a partial cross-sectional view thereof in the plane 2--2 of FIG. 1;

FIG. 3 is a partial cross-sectional view thereof in the plane 3--3 of FIG. 1;

FIG. 4 is a left side elevation thereof and in which the right side elevation is identical;

FIG. 5 is a top plan view thereof and in which the bottom plan view is identical; and

FIG. 6 is a partial front elevation showing the notch for artist's signature in detail. 

The ornamental design for a picture mat with notch for artist's signature, as shown and described. 